getprotobyname
(PHP 4 , PHP 5)
getprotobyname --
Get protocol number associated with protocol name
Description
int
getprotobyname ( string name)
getprotobyname() returns the protocol number
associated with the protocol name as per
/etc/protocols.
例子 1. getprotobyname() example
<?php $protocol = 'tcp'; $get_prot = getprotobyname($protocol); if ($get_prot == -1) { // if nothing found, returns -1 echo 'Invalid Protocol'; } else { echo 'Protocol #' . $get_prot; } ?>
|
|
See also: getprotobynumber().